[TowerTalk] Re Plumbing a Tower

[Roger (K8RI)]

On 7/29/2010 1:00 PM, Robrk wrote:
> P.S. I forgot to mention, works best at dusk and you need a good wench to check to bubbles.
>
> http://www.google.com/search?q=laser+levels+self+leveling&ie=UTF-8&oe=UTF-8&hl=en&client=safari
>
> Sent from my iPad
>
> On Jul 29, 2010, at 12:46 PM, Robrk<robrk at nidhog.net>  wrote:
>
>    
>> How about one of the laser level light beam things? I have the cheap, $39, Craftsman, that shoots a red line, vertical or horizontal with bubbles. It has a camera tripod hole in the bottom.
>> More dollars gets auto leveling, digital readout and a mount for the owl.
>>      
Be sure to check the tolerances as some of the laser levels and transits 
have some pretty wide tolerances.  Certainly not something you'd use for 
surveying.
I have a laser transit and it's barely accurate enough in 20 feet to set 
the dimensions on an airplane.

73

Roger (K8RI)

>> Sent from my iPad
>>
>> On Jul 29, 2010, at 12:04 PM, "Gene Fuller"<w2lu at rochester.rr.com>  wrote:
>>
>>      
>>> Given the "wind problem", how would it work to check the string with a levelor catch a time with no wind, and stake the bottom of the sting or hold it in place with a weight on the ground.The object of the string being that with proper placement you could check the whole tower from one place without having to climb it with level in hand.
>>>
>>>
>>>
>>>        
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>